##############################################################################

  # A descriptive listing of core Gradle commands

  ############################################################################
  function _gradle_core_commands() {
      local ret=1 state
      _arguments ':subcommand:->subcommand' && ret=0
  
      case $state in
        subcommand)
          subcommands=(
            "properties:Display all project properties"
            "tasks:Calculate and display all tasks"
            "dependencies:Calculate and display all dependencies"
            "projects:Discover and display all sub-projects"
            "build:Build the project"
            "help:Display help"
          )
          _describe -t subcommands 'gradle subcommands' subcommands && ret=0
      esac
  
      return ret
  }
  
  function _gradle_arguments() {
      _arguments -C \
      '-a[Do not rebuild project dependencies]' \
      '-h[Help]' \
      '-D[System property]' \
      '-d[Log at the debug level]' \
      '--gui[Launches the Gradle GUI app]' \
      '--stop[Stop the Gradle daemon]' \
      '--daemon[Use the Gradle daemon]' \
      '--no-daemon[Do not use the Gradle daemon]' \

      '--rerun-task [Specifies that any task optimization is ignored.]' \

      '-i[Log at the info level]' \
      '-m[Dry run]' \
      '-P[Set a project property]' \

      '-p[Specifies the start directory]' \

      '--profile[Profile the build time]' \
      '-q[Log at the quiet level (only show errors)]' \
      '-v[Print the Gradle version info]' \
      '-x[Specify a task to be excluded]' \

      '-b[Specifies the build file.]' \
      '-c[Specifies the settings file.]' \
      '--continue[Continues task execution after a task failure.]' \
      '-g[Specifies the Gradle user home directory.]' \
      '-I[Specifies an initialization script.]' \
      '--refresh-dependencies[Refresh the state of dependencies.]' \
      '-u[Don''t search in parent directories for a settings.gradle file.]' \

      '*::command:->command' \
      && return 0
  }
  
  
  ##############################################################################

  # Examine the build.gradle file to see if its timestamp has changed;
  # and if so, regenerate the .gradle_tasks cache file

  ############################################################################
  _gradle_does_task_list_need_generating () {

    [[ ! -f .gradletasknamecache ]] || [[ build.gradle -nt .gradletasknamecache ]]

  }
  
  
  ##############################################################################
  # Discover the gradle tasks by running "gradle tasks --all"
  ############################################################################
  _gradle_tasks () {

    if [[ -f build.gradle ]]; then

      _gradle_arguments
      if _gradle_does_task_list_need_generating; then

        gradle tasks --all | awk '/[a-zA-Z0-9:-]* - / {print $1}' > .gradletasknamecache

      fi

      compadd -X "==== Gradle Tasks ====" $(cat .gradletasknamecache)

    fi
  }
  
  _gradlew_tasks () {

    if [[ -f build.gradle ]]; then

      _gradle_arguments
      if _gradle_does_task_list_need_generating; then

        ./gradlew tasks --all | awk '/[a-zA-Z0-9:-]* - / {print $1}' > .gradletasknamecache

      fi

      compadd -X "==== Gradlew Tasks ====" $(cat .gradletasknamecache)

    fi
  }
  
  
  ##############################################################################
  # Register the completions against the gradle and gradlew commands
  ############################################################################
  compdef _gradle_tasks gradle
  compdef _gradlew_tasks gradlew